7203220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 15805440

約数和(自身を除く): 8602220

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 97, 158, 188, 194, 235, 316, 388, 395, 470, 485, 790, 940, 970, 1580, 1940, 3713, 4559, 7426, 7663, 9118, 14852, 15326, 18236, 18565, 22795, 30652, 37130, 38315, 45590, 74260, 76630, 91180, 153260, 360161, 720322, 1440644, 1800805, 3601610, 7203220]

約数ペア:

[(1, 7203220), (2, 3601610), (4, 1800805), (5, 1440644), (10, 720322), (20, 360161), (47, 153260), (79, 91180), (94, 76630), (97, 74260), (158, 45590), (188, 38315), (194, 37130), (235, 30652), (316, 22795), (388, 18565), (395, 18236), (470, 15326), (485, 14852), (790, 9118), (940, 7663), (970, 7426), (1580, 4559), (1940, 3713)]